[Bug 505375] Re: (lucid) iwlagn doesn't work if much RAM is used

[Prem Anand]

Seeing this with 2.6.34-5-generic  #14~lucid1-Ubuntu SMP x86_64
GNU/Linux kernel, when RAM was used up by "Disk Usage Analyzer"


Aug 22 20:23:25 hprem-lnx kernel: [694542.574056] swapper: page allocation failure. order:1, mode:0x4020
Aug 22 20:23:25 hprem-lnx kernel: [694542.574067] Pid: 0, comm: swapper Tainted: P           2.6.34-5-generic #14~lucid1-Ubuntu
Aug 22 20:23:25 hprem-lnx kernel: [694542.574074] Call Trace:
Aug 22 20:23:25 hprem-lnx kernel: [694542.574079]  <IRQ>  [<ffffffff810fa4e3>] __alloc_pages_slowpath+0x583/0x590
Aug 22 20:23:25 hprem-lnx kernel: [694542.574105]  [<ffffffff810fa64e>] __alloc_pages_nodemask+0x15e/0x1a0
Aug 22 20:23:25 hprem-lnx kernel: [694542.574117]  [<ffffffff8112d837>] alloc_pages_current+0x87/0xd0
Aug 22 20:23:25 hprem-lnx kernel: [694542.574164]  [<ffffffffa01aa76a>] iwl_rx_allocate+0x12a/0x290 [iwlcore]
Aug 22 20:23:25 hprem-lnx kernel: [694542.574189]  [<ffffffffa01acbfb>] iwl_rx_replenish_now+0x1b/0x30 [iwlcore]
Aug 22 20:23:25 hprem-lnx kernel: [694542.574208]  [<ffffffffa0205ec0>] iwl_rx_handle+0x360/0x400 [iwlagn]
Aug 22 20:23:25 hprem-lnx kernel: [694542.574224]  [<ffffffffa0207caf>] iwl_irq_tasklet_legacy+0x20f/0x5c0 [iwlagn]
Aug 22 20:23:25 hprem-lnx kernel: [694542.574234]  [<ffffffff81063705>] tasklet_action+0xd5/0xe0
Aug 22 20:23:25 hprem-lnx kernel: [694542.574242]  [<ffffffff810648c9>] __do_softirq+0xb9/0x1f0
Aug 22 20:23:25 hprem-lnx kernel: [694542.574252]  [<ffffffff810be660>] ? handle_IRQ_event+0x60/0x170
Aug 22 20:23:25 hprem-lnx kernel: [694542.574263]  [<ffffffff8100b01c>] call_softirq+0x1c/0x30
Aug 22 20:23:25 hprem-lnx kernel: [694542.574271]  [<ffffffff8100cc95>] do_softirq+0x65/0xa0
Aug 22 20:23:25 hprem-lnx kernel: [694542.574278]  [<ffffffff81064785>] irq_exit+0x85/0x90
Aug 22 20:23:25 hprem-lnx kernel: [694542.574289]  [<ffffffff8156d605>] do_IRQ+0x75/0xf0
Aug 22 20:23:25 hprem-lnx kernel: [694542.574311]  [<ffffffff81567713>] ret_from_intr+0x0/0x11
Aug 22 20:23:25 hprem-lnx kernel: [694542.574316]  <EOI>  [<ffffffff81310176>] ? acpi_idle_enter_simple+0x117/0x14b
Aug 22 20:23:25 hprem-lnx kernel: [694542.574335]  [<ffffffff8131016f>] ? acpi_idle_enter_simple+0x110/0x14b
Aug 22 20:23:25 hprem-lnx kernel: [694542.574347]  [<ffffffff81455a27>] cpuidle_idle_call+0xa7/0x140
Aug 22 20:23:25 hprem-lnx kernel: [694542.574356]  [<ffffffff81008da3>] cpu_idle+0xb3/0x110
Aug 22 20:23:25 hprem-lnx kernel: [694542.574365]  [<ffffffff8154f24e>] rest_init+0x7e/0x90
Aug 22 20:23:25 hprem-lnx kernel: [694542.574376]  [<ffffffff81b06e5f>] start_kernel+0x37b/0x384
Aug 22 20:23:25 hprem-lnx kernel: [694542.574385]  [<ffffffff81b06341>] x86_64_start_reservations+0x12c/0x130
Aug 22 20:23:25 hprem-lnx kernel: [694542.574394]  [<ffffffff81b0643f>] x86_64_start_kernel+0xfa/0x109
Aug 22 20:23:25 hprem-lnx kernel: [694542.574399] Mem-Info:
Aug 22 20:23:25 hprem-lnx kernel: [694542.574403] Node 0 DMA per-cpu:
Aug 22 20:23:25 hprem-lnx kernel: [694542.574410] CPU    0: hi:    0, btch:   1 usd:   0
Aug 22 20:23:25 hprem-lnx kernel: [694542.574416] CPU    1: hi:    0, btch:   1 usd:   0
Aug 22 20:23:25 hprem-lnx kernel: [694542.574421] Node 0 DMA32 per-cpu:
Aug 22 20:23:25 hprem-lnx kernel: [694542.574428] CPU    0: hi:  186, btch:  31 usd: 175
Aug 22 20:23:25 hprem-lnx kernel: [694542.574434] CPU    1: hi:  186, btch:  31 usd: 136
Aug 22 20:23:25 hprem-lnx kernel: [694542.574447] active_anon:282957 inactive_anon:95010 isolated_anon:185
Aug 22 20:23:25 hprem-lnx kernel: [694542.574450]  active_file:22229 inactive_file:19437 isolated_file:23
Aug 22 20:23:25 hprem-lnx kernel: [694542.574453]  unevictable:28 dirty:0 writeback:175 unstable:0
Aug 22 20:23:25 hprem-lnx kernel: [694542.574455]  free:3180 slab_reclaimable:40760 slab_unreclaimable:8507
Aug 22 20:23:25 hprem-lnx kernel: [694542.574458]  mapped:18711 shmem:4827 pagetables:8594 bounce:0
Aug 22 20:23:25 hprem-lnx kernel: [694542.574473] Node 0 DMA free:7896kB min:44kB low:52kB high:64kB active_anon:80kB inactive_anon:2740kB active_file:620kB inactive_file:180kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15700kB mlocked:0kB dirty:0kB writeback:0kB mapped:600kB shmem:24kB slab_reclaimable:3256kB slab_unreclaimable:76kB kernel_stack:0kB pagetables:4kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Aug 22 20:23:25 hprem-lnx kernel: [694542.574498] lowmem_reserve[]: 0 1971 1971 1971
Aug 22 20:23:25 hprem-lnx kernel: [694542.574509] Node 0 DMA32 free:4824kB min:5656kB low:7068kB high:8484kB active_anon:1131748kB inactive_anon:377300kB active_file:88296kB inactive_file:77568kB unevictable:112kB isolated(anon):740kB isolated(file):92kB present:2018672kB mlocked:112kB dirty:0kB writeback:700kB mapped:74244kB shmem:19284kB slab_reclaimable:159784kB slab_unreclaimable:33952kB kernel_stack:2776kB pagetables:34372kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Aug 22 20:23:25 hprem-lnx kernel: [694542.574536] lowmem_reserve[]: 0 0 0 0
Aug 22 20:23:25 hprem-lnx kernel: [694542.574546] Node 0 DMA: 270*4kB 158*8kB 49*16kB 9*32kB 10*64kB 6*128kB 2*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 7896kB
Aug 22 20:23:25 hprem-lnx kernel: [694542.574572] Node 0 DMA32: 946*4kB 0*8kB 1*16kB 0*32kB 1*64kB 0*128kB 0*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 4888kB
Aug 22 20:23:25 hprem-lnx kernel: [694542.574597] 90617 total pagecache pages
Aug 22 20:23:25 hprem-lnx kernel: [694542.574602] 44105 pages in swap cache
Aug 22 20:23:25 hprem-lnx kernel: [694542.574608] Swap cache stats: add 2523174, delete 2479069, find 679102/931693
Aug 22 20:23:25 hprem-lnx kernel: [694542.574613] Free swap  = 575540kB
Aug 22 20:23:25 hprem-lnx kernel: [694542.574617] Total swap = 1550236kB
Aug 22 20:23:25 hprem-lnx kernel: [694542.590553] 515744 pages RAM
Aug 22 20:23:25 hprem-lnx kernel: [694542.590558] 9895 pages reserved
Aug 22 20:23:25 hprem-lnx kernel: [694542.590562] 105382 pages shared
Aug 22 20:23:25 hprem-lnx kernel: [694542.590565] 461587 pages non-shared

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(lucid) iwlagn doesn't work if much RAM is used
https://bugs.launchpad.net/bugs/505375
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